Base | Representation |
---|---|
bin | 1101111110101010000010… |
… | …11011100101010110011011 |
3 | 11000211201202220110221201220 |
4 | 12333111001123211112123 |
5 | 13012121341220444022 |
6 | 145213502041143123 |
7 | 6321622166414061 |
oct | 677250133452633 |
9 | 130751686427656 |
10 | 30740178687387 |
11 | 9881922524214 |
12 | 354579b78aaa3 |
13 | 141ca2b993010 |
14 | 783b92894031 |
15 | 3849513b285c |
hex | 1bf5416e559b |
30740178687387 has 8 divisors (see below), whose sum is σ = 44139743756304. Its totient is φ = 18917033038368.
The previous prime is 30740178687377. The next prime is 30740178687389. The reversal of 30740178687387 is 78378687104703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30740178687387 - 28 = 30740178687131 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30740178687389) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394104854928 + ... + 394104855005.
It is an arithmetic number, because the mean of its divisors is an integer number (5517467969538).
Almost surely, 230740178687387 is an apocalyptic number.
30740178687387 is a deficient number, since it is larger than the sum of its proper divisors (13399565068917).
30740178687387 is a wasteful number, since it uses less digits than its factorization.
30740178687387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 788209709949.
The product of its (nonzero) digits is 265531392, while the sum is 69.
The spelling of 30740178687387 in words is "thirty trillion, seven hundred forty billion, one hundred seventy-eight million, six hundred eighty-seven thousand, three hundred eighty-seven".
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